20803067 has 2 divisors, whose sum is σ = 20803068. Its totient is φ = 20803066.

The previous prime is 20803061. The next prime is 20803091. The reversal of 20803067 is 76030802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20803067 - 2²⁰ = 19754491 is a prime.

It is not a weakly prime, because it can be changed into another prime (20803061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10401533 + 10401534.

It is an arithmetic number, because the mean of its divisors is an integer number (10401534).

Almost surely, 2^20803067 is an apocalyptic number.

20803067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20803067 is an equidigital number, since it uses as much as digits as its factorization.

20803067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 20803067 is about 4561.0379301207. The cubic root of 20803067 is about 275.0272898538.

Adding to 20803067 its reverse (76030802), we get a palindrome (96833869).

The spelling of 20803067 in words is "twenty million, eight hundred three thousand, sixty-seven".